Wha geometric reason is accepted without proof in a logical system

How many 4/5 go into 8?

Simply by combining like terms that are on the same side of the equation. Which terms can be combined? - 7+12-2x=23+13x

Luc et son père sont nés le même jour Aujourd'hui Luc a 14 ans et son père en a 50 1) Dans combien d'années le père de Luc aura-t-il le triple de l'âge de son fils? 2) Dans combien d'années Luc aura-t-il la moitié de l'âge de son père?

A single gram of a certain metallic substance has 0.52 grams of copper and 0.26 grams of zinc. The remaining portion of the substance is nickel. Ben estimated that 0.2 gram of nickel is in 1 gram of the substance.

10 raised to the power of 2 plus 2 raised to the power of 3

Write an expression that represents the product of Q and 8:4

Mike wants to make meatloaf. His recipe uses a total of 5 pounds of meat. If he use a 3 to 1 radio of beef to pork how much pork what he used? Enter your answer as a mixed number in the simplest terms.

The coordinates of the vertices of triangle ABC are given in the table. A B C (4,2) (6,7) (13,1) Triangle ABC is reflected across y=-x. What are the vertices of triangle A'B'C'? Enter your answers in the boxes. A': (, ) B': (, ) C': (, )

What is the solution to this equation? 3x - x+8+5x-2=10

Express each of the following as a fraction in lowest terms 1: 3/6 2: 2/8 3: 12/20